What is the integral of e^{4x}x^2 ?

The integral of e^{4x}x^2 is 1/4 e^{4x}x^2-1/32 (4e^{4x}x-e^{4x})+C

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integral of e^{4x}x^2

\int e^{4 x} x^{2} d x

\frac{1}{4} e^{4 x} x^{2} - \frac{1}{32} (4 e^{4 x} x - e^{4 x}) + C

Solution steps

\int e^{4 x} x^{2} d x

Apply Integration By Parts

: \frac{1}{4} e^{4 x} x^{2} - \int \frac{1}{2} e^{4 x} x d x

= \frac{1}{4} e^{4 x} x^{2} - \int \frac{1}{2} e^{4 x} x d x

\int \frac{1}{2} e^{4 x} x d x = \frac{1}{32} (4 e^{4 x} x - e^{4 x})

= \frac{1}{4} e^{4 x} x^{2} - \frac{1}{32} (4 e^{4 x} x - e^{4 x})

Add a constant to the solution

= \frac{1}{4} e^{4 x} x^{2} - \frac{1}{32} (4 e^{4 x} x - e^{4 x}) + C

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What is the integral of e^{4x}x^2 ?
The integral of e^{4x}x^2 is 1/4 e^{4x}x^2-1/32 (4e^{4x}x-e^{4x})+C